Radial Engineering Headload Guitar Amp Load Box (8 Ohms)

Radial Engineering Headload Guitar Amp Load Box (8 Ohms)

Radial Engineering Headload Guitar Amp Load Box (8 Ohms)

B&H # RAHLV8SLB8O MFR # R800 7058
Radial Engineering Headload Guitar Amp Load Box (8 Ohms)

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  • 1Description

The 8 ohm Headload Guitar Amp Load Box from Radial Engineering is a combination load box and attenuator that is capable of handling up to 130W RMS of continuous power and peaks of 180W. Inserted between the head and cabinet, it allows the guitar amp to be driven hard while lowering the output level to reduce the sound pressure on stage or provide the means for quiet recording in the studio. This enables you to optimize the tone from your guitar amplifier without having to perform at ear-blistering levels.

The 100% discrete fan-cooled design begins with a series of cement encrusted, epoxy-coated copper resistor coils that are controlled via a six-position rotary switch to set the desired power reduction from 100% down to 20%. A trim control provides fine adjustment when below 20%. The Headload output can be turned off for quiet on-stage use, for recording, or for practicing using the built-in headphone amplifier.

In order to ensure greater consistency from gig to gig, the Headload is equipped with a Radial JDX Reactor direct box. This captures both the signal from the head and the reactive load from the speaker cabinet for a more natural tone. For engineers that prefer to combine a direct feed with a microphone, the Headload has also been equipped with a Radial Phazer phase adjustment tool. This lets you time-align the JDX direct feed with the microphone to deliver very natural tones, or create over-the-top effects when pushed to extreme. The JDX direct output has a six-position voicing switch to select from various cabinet emulation presets and may be fine-tuned using a two-band EQ to tame overly bright amps.

Combination speaker attenuator and simulator
Safely handles up to 130W RMS (180 peak)
Radial JDX Reactor and Phazer for direct recording
Delivers full-range tone from your amp at low volume
In the Box
Radial Engineering Headload Guitar Amp Load Box (8 Ohms)
  • Power Supply
  • Power Cable
  • Handle
  • Limited 3-Year Transferable Warranty
  • Table of Contents
    • 1Description
    Audio Circuit Type Reactive attenuation circuit with active equalization
    Frequency Response 90 Hz @ -3 dB to 4 kHz @ -6 dB
    Equalization Low: ±9 dB @ 80 Hz
    High: ±9 dB @ 6 kHz
    Resonance Low & High Resonance:
    60 Hz & 6.5 kHz, shelving filter 6 dB/octave slope
    +12 dB at 20% load setting
    +9 dB at 40% load setting
    +6 dB at 60% load setting
    +3 dB at 80% load setting
    None at 100% load setting
    Headphone Output Power 400 mW into 32 ohms
    Headphone Impedance 32 ohms or higher recommended
    Gain -40 dB typical
    Intermodulation Distortion <0.05%
    Noise -104 dBu unweighted
    Input Impedance 8 ohms
    Output Impedance 250 ohms
    Impedance Load: 8 ohms
    Total Harmonic Distortion <0.05%
    Gain Reduction Variable from 100 to 0%
    Power Radial ±15 V, 400 mA power supply
    Construction 14-gauge steel chassis & outer shell
    Finish Durable powder coat
    Operating Conditions Humidity: Use in dry locations only
    Operating Temperature: 41 to 104°F (5 to 40°C)
    Dimensions 6.1 x 12.0 x 3.5" (15.4 x 30.5 x 8.8 cm)
    Weight 8.0 lb (3.6 kg)

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